218925410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 471873600

約数和(自身を除く): 252948190

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 109, 110, 155, 190, 209, 218, 310, 341, 418, 545, 589, 682, 961, 1045, 1090, 1178, 1199, 1705, 1922, 2071, 2090, 2398, 2945, 3379, 3410, 4142, 4805, 5890, 5995, 6479, 6758, 9610, 10355, 10571, 11990, 12958, 16895, 18259, 20710, 21142, 22781, 32395, 33790, 36518, 37169, 45562, 52855, 64201, 64790, 74338, 91295, 104749, 105710, 113905, 128402, 182590, 185845, 200849, 209498, 227810, 321005, 371690, 401698, 523745, 642010, 706211, 1004245, 1047490, 1152239, 1412422, 1990231, 2008490, 2304478, 3531055, 3980462, 5761195, 7062110, 9951155, 11522390, 19902310, 21892541, 43785082, 109462705, 218925410]

約数ペア:

[(1, 218925410), (2, 109462705), (5, 43785082), (10, 21892541), (11, 19902310), (19, 11522390), (22, 9951155), (31, 7062110), (38, 5761195), (55, 3980462), (62, 3531055), (95, 2304478), (109, 2008490), (110, 1990231), (155, 1412422), (190, 1152239), (209, 1047490), (218, 1004245), (310, 706211), (341, 642010), (418, 523745), (545, 401698), (589, 371690), (682, 321005), (961, 227810), (1045, 209498), (1090, 200849), (1178, 185845), (1199, 182590), (1705, 128402), (1922, 113905), (2071, 105710), (2090, 104749), (2398, 91295), (2945, 74338), (3379, 64790), (3410, 64201), (4142, 52855), (4805, 45562), (5890, 37169), (5995, 36518), (6479, 33790), (6758, 32395), (9610, 22781), (10355, 21142), (10571, 20710), (11990, 18259), (12958, 16895)]